var now = new Date();
function createtime(){
	var grt= new Date("07/11/2012 12:00:00");
	now.setTime(now.getTime()+250);
	days = (now - grt ) / 1000 / 60 / 60 / 24;
	dnum = Math.floor(days);
	hours = (now - grt ) / 1000 / 60 / 60 - (24 * dnum);
	hnum = Math.floor(hours);
	if(String(hnum).length ==1 ){hnum = "0" + hnum;}
	minutes = (now - grt ) / 1000 /60 - (24 * 60 * dnum) - (60 * hnum);
	mnum = Math.floor(minutes);
	if(String(mnum).length ==1 ){mnum = "0" + mnum;}
	seconds = (now - grt ) / 1000 - (24 * 60 * 60 * dnum) - (60 * 60 * hnum) - (60 * mnum);
	snum = Math.round(seconds);
	if(String(snum).length ==1 ){snum = "0" + snum;}
	document.getElementById("timeDate").innerHTML = "今天是小博诞生的第"+dnum+"天";
	document.getElementById("times").innerHTML = hnum + "小时" + mnum + "分" + snum + "秒";
}
setInterval("createtime()",250); 
